DASS-558 My Beautiful Big-Titted Girlfriend with a Perky Ass Got Entangled with Her Ex-Boyfriend and Kept Hooking Up, Ended Up Staying in the Countryside and Never Came Back - Mitanaka Akane

The male protagonist's girlfriend, Miyadani Akane, boasts a drool-worthy figure with massive beautiful breasts and a perky butt, but she is relentlessly pursued by her ex-boyfriend. The ex takes her to the countryside, where he repeatedly has sex with her, and eventually she becomes addicted to this thrilling lifestyle, refusing to return and leaving the male protagonist in despairing NTR predicament.